NTPC Tamilnadu Energy Company Limited
Vallur Thermal Power Project
PO: Vellivoyal Chavadi, Ponneri Taluk, Dist :Thiruvallur, Chennai – 600 103
Tel. No.044 - 27995838 Fax: 044 - 27966033 / 27966065
NOTICE INVITING TENDER (NIT)
(Domestic Competitive Bidding)
SECTION - I
Ref. NTECL/C&M/CS-3492 Dt: 09.01.2019
NTPC Tamilnadu Energy Company Limited (NTECL), a JV of NTPC & TANGEDCO invites
sealed bids for its 2 X 500 MW + 1 X 500 MW Thermal Power Project at Vellivoyal Chavadi
Post, Ponneri Taluk, Thiruvallur Distt., Chennai, Tamilnadu from eligible bidders who fulfill the
Qualifying Requirements stipulated below, for the following package:
Description of work
Bid Security (EMD)
Contract period
Supply and application of RTV
silicone high voltage insulator
coating in 400kv Switchyard
Rs. 50,000/-
18 (Eighteen) Months
BRIEF SCOPE OF WORK:
The scope of the subject package envisages “Supply and application of RTV silicone high voltage
insulator coating in 400kv Switchyard at NTECL”.
QUALIFYING REQUIREMENTS:
(a)
The average annual turnover of the bidder in the last 03 financial years ending
31/03/2018 should not be less than Rs.34.38 Lakhs.
(b)
1. The bidder should be a manufacturer or authorized dealer of the manufacturer of RTV
silicon high voltage insulator coating material.
2. The bidder should have supplied and applied (application by the bidder or his
authorized applicator) RTV silicon high voltage insulator coating material suitable for
220kv or above Transmission Systems in India in preceding 5 years.
a. The bidder must have executed,
(i) Single (01) order, of executed value not less than Rs. 27.50 Lakhs
OR
(ii) Two (02) orders, each of executed value not less than Rs. 17.19 Lakhs
OR
(iii)Three (03) orders, each of executed value not less than Rs. 13.75 Lakhs
3. The bidder shall have Point of Presence/set up in India for any after sales service of the
offered RTV silicon high voltage insulator coating material.
NTECL/C&M/CS-3492 Dt: 09.01.2019
Page 2 of 10 Signature & Seal of Bidder
(c)
The bidder/applicator should have Provident Fund code (PF code) number allotted by
concerned Regional Provident Fund Authority
(d)
The bidder/applicator should have GSTIN number / provisional registration number
issued by concerned authorities
Note :- The work “executed” means that the bidder should have achieved the progress specified in
the QR even if the total contract is not completed / closed. The same shall be supported by
documentary evidence issued by concerned authority.
Also the bidder/s should have the following and should submit copy of these documents
along with QR Documents (in Envelope - I) as statutory requirement:
(i) Employees State Insurance Code (ESI Code) as having registered with ESI authorities. If
the same is not available, then the bidder should register with concerned authorities before
the commencement of contract.
(ii) Income Tax Permanent Account Number (PAN).
NTECL/C&M/CS-3492 Dt: 09.01.2019
Page 3 of 10 Signature & Seal of Bidder
TECHNICAL REQUIREMENTS
Bidder shall clearly indicate compliance against each point in the technical specification as
given below. The compliance shall be evaluated by NTECL for qualifying the bidders
against the Technical Requirements.
(A) Technical Requirements of the Coating Material
Sl
No
Agency’s Compliance
1
2
3
4
5
6
7
8
9
10
11
12
13
NTECL/C&M/CS-3492 Dt: 09.01.2019
Page 4 of 10 Signature & Seal of Bidder
(B) TYPE TESTS
Sl No
Specification
Agency’s Compliance
1
The RTV coating offered should have been type tested in
reputed international / Indian test laboratories and test reports
shall be submitted for the following tests along with the offer.
2
Accelerated ageing test on RTV coating in accordance with
IEC – 61109.
3
Inclined plane tracking and erosion test report in accordance
with IEC – 60587 on RTV coating
4
Artificial pollution test by Salt – Fog method on a 132 / 220 /
440 kV String consisting coated insulator as per IEC 60507.
5
Hydrophobicity recovery by corona test in accordance with
REC76/2006
6
Volume resistivity test.
7
The type test reports shall not be more than 10 years old as on
date of bidding.
(C) Technical Requirements of Silicon coating
Sl No
Specification
Agency’s Compliance
1
Surface preparation of the insulators has to done before
application of coating to make them free from dirt, oil grease
and foreign matter etc and making them dry before the
application of RTV HVIC coating on the insulator surfaces as
per the application procedure of the HVIC Manufacturer. The
entire insulator shall be coated with a minimum 0.5 mm dry
thickness of silicon coating material.
2
The coating shall be uniform all over the insulator surface and
free form all defects such as scratches, peeling-off,
incomplete curing, bare spots, foreign material etc., Vendor
shall at his own cost, arrange for necessary calibrated test
instrument like ultrasonic thickness gauge, for measurement
of finished coating thickness (the calibration certificate to be
submitted for the above at the time of thickness
measurement).
3
The offered unit price for application of RTV Compound
shall be inclusive of the required quantities of suitable
cleaning aids as per the manufacturer’s standard procedure for
HVIC.
4
The other consumables with expired shelf life shall not be
used in this work.
5
HVIC coating workmanship shall be of the best quality and
coating shall be guaranteed for hydrophobicity properties and
resistance to atmospheric and chemical degradation properties
for a minimum of five years from date of application.
NTECL/C&M/CS-3492 Dt: 09.01.2019
Page 5 of 10 Signature & Seal of Bidder
(D) Desired technical properties of RTV Silicon Coating
Specification
Sl
No
Parameter
Requirement
Agency’s Compliance
1
Application Area
Glass, Porcelain, Insulators ,
Bushings, Instrument
Transformer Insulators etc
2
Dielectric strength after
curing
> 25Kv / mm or ( as per
ASTM D 149 )
3
Loss tangent at 50 Hz
< 0.006
4
Volume resistivity , ohm/cm
> 9 * 10
14
5
Specific gravity @ 25 deg C
1.1 to 1.4
6
Percentage of solids by
volume
>= 57%
7
Filler type
ATH ( Alumina Tri – hydrite )
or Quartz or Both
8
Colour
Grey
9
Method of Application
Spray
10
Skin over time at standard
condition
15 minutes
11
Track free at 25 deg C &
50% RH
30 Minutes
12
Tracking resistance { AST
D2303 test } at 25 Kv
> 800 Minutes
13
Tracking and Erosion
resistance
Minimum grade 1A4.5 as per
IEC 60587
14
Shelf life
Minimum one year from date
of Receipt
15
Dry Thickness of coating.
0.5mm or more
16
Primer / solvent requirement
No
17
Maximum full cure /cure
through time
Not more than 24 hours.
(Equipment charging shall be
possible after 24 hours)
18
Resistant to
Marine salt fog, Water,
Industrial dust, fly ash, Acid
emissions.
19
Performance guarantee
Minimum 5 years from date of
application
NTECL/C&M/CS-3492 Dt: 09.01.2019
Page 6 of 10 Signature & Seal of Bidder
BRIEF DETAILS
Bid Document No.
NTECL/C&M/CS-3492 Date. 09.01.2019
Description of Work
Supply and Application of RTV Silicone High
Voltage Insulator coating in 400kV Switchyard
Bid Document Sale Period
From 09.01.2019 to 28.01.2019
Cost of Bidding document
Rs. 1197/- (Non-Refundable)
Last Query date (Queries shall be
entertained up to this date only)
02.02.2019
Submission of Bids (Both Techno-
Commercial Bid and Price Bid) i.e.
Envelope – I & II together.
11.02.2019 Up to 14:30 Hours.
Techno – Commercial Bid
Opening (Envelope – I)
11.02.2019 at 15:00 Hours.
EMD
Rs. 50,000/-
After Techno-commercial bid opening, the bids submitted shall be evaluated for
meeting both the Qualifying Requirements & Technical Requirements and only those
bids meeting the Qualifying Requirements and complying with the Technical
Requirements shall be considered for Price Bid Opening.
The date of opening of Price Bid (Envelope - II) shall be intimated separately.
Address for bid submission of Bids
Addl. General Manager (C&M),
Contracts and Materials Dept.,
NTPC Tamilnadu Energy Company Ltd,
Vallur Thermal Power Project,
Site Office: Vellivoyal Chavadi Post,
Ponneri Taluk, Thiruvallur District
Chennai - 600103, Tamilnadu.
Fax: 044 - 27966065 / 27966033
Location of Tender box in NTECL
Site office premises
Contracts & Materials Dept. Hall,
NTECL Office Complex. (Site Office)
Contact Persons.
Ms. Sumitha Babu G
Sr.Manager (C&M), NTECL
Mob. No : 9445002574
Email: gsumithababu@ntpc.co.in
(OR)
Ms. Nitya V
Manager (C&M), NTECL
Mob. No : 9650990468
Email: nithyav@ntpc.co.in
NTECL/C&M/CS-3492 Dt: 09.01.2019
Page 7 of 10 Signature & Seal of Bidder
OTHER TERMS AND CONDITIONS:
1. Detailed specifications, Scope of work, Terms & conditions etc., are given in the bidding
documents. Bid documents can be downloaded from NTECL website,
www.ntpcntecljv.co.in/tenders.htm, against online payment or can be obtained on request with
cost of Bid document in the form of DD in favour of ‘NTECL’ payable at Chennai or
documentary evidence to the effect that the bidder is exempted from submission of EMD
(Please refer clause 8 (d)).
2. It is deemed that bidder shall accept all the terms and conditions mentioned in the tender
documents without any deviation. For that the bidders are requested to accept the no
deviation certificate for fulfillment of technical/commercial compliance. NO
DEVIATION IS ACCEPTABLE TO NTECL.
Any Clarification related to the scope, terms & conditions of contract may please be
sought before 02.02.2019. Clarifications received after 02.02.2019 from the agencies will
not be entertained. Suitable reply will be given to agencies based on their clarification
before scheduled BOD. After this stage, no deviation is acceptable to NTECL.
3. The bids shall be received up to due date & time of bid opening at the Site Office of NTECL
and shall be opened on the date and time as stipulated above in the presence of bidders who
wish to be present. Only one authorized representative of the bidder shall be allowed for
attending the tender opening.
4. The bidding documents shall be issued to all bidders upon their depositing the requisite cost of
bidding documents along with request letter without prima-facie examination of qualification
status. However, such issue of tender documents will not automatically mean that the bidders
are considered qualified.
5. The qualification status shall be examined by NTECL during the process of evaluation and
the decision of NTECL in this regard shall be final.
6. For fulfilling the Qualifying Requirements, intending bidder shall be required to submit the
following documents along with their bid ( duly attested at least by authorized signatory of
the tenderer ) :
a. Income Tax Assessment order / Up to date copy of Profit & Loss Account and
Balance Sheet of last three financial years ending 31P
st
P March 2018 duly audited by
Chartered Accountant. In cases where audited results for the last financial year as on the
date of Techno commercial bid opening are not available, the financial results certified by
a practicing chartered Accountant shall be considered acceptable. In case, Bidder is not
able to submit the certificate from practicing Chartered Accountant certifying its financial
parameters, the audited results of three consecutive financial years preceding the last
financial year shall be considered for evaluating the financial parameters.
b. Copies of Work Orders / Award Letters covering awarded value, detailed scope of work
/ terms and conditions / bill of quantities along with proof of execution such as
completion certificate clearly showing the value of work executed during the period
of contract, Bill Copy, Final Deviation Copy etc. in support of above Qualifying
requirements. The bidder shall also provide the reference list of the organizations with
contact address and phone numbers.
c. Copy of Permanent Account Number (PAN) issued by Income Tax authorities.
d. Copy of GSTIN Number issued by concerned authorities.
e. No Deviation Statement (As per Schedule-A)
NTECL/C&M/CS-3492 Dt: 09.01.2019
Page 8 of 10 Signature & Seal of Bidder
7. BID SUBMISSION & OPENING:
The bids are invited for aforesaid work/s under “Single Stage Two Envelope” Bidding
system. The bid documents signed and stamped in all pages are to be submitted in two (02)
separate sealed envelopes as detailed below:
A. ENVELOPEU: I (Techno - Commercial Bid)
a) Bid security / Earnest Money Deposit (EMD) in separate envelope.
b) Other documents as follow shall be submitted in a separate envelope :-
i. Relevant Documents to meet Qualifying Requirements (QR) of the subject tender.
ii. Relevant Documents to meet Technical Requirements (QR) of the subject tender.
iii. Letter of Declaration (Regarding acceptance of important conditions)
iv. Authorization / Power of attorney on the person signing the bid, Copy of
v. GSTIN Registration, Income Tax Permanent Account Number (PAN).
vi. Provident Fund Code (PF Code) Number allotted by concerned Regional Provident
Fund Commissioner (RPFC).
vii. Employees State Insurance Code (ESI Code) as having registered with ESI
authorities. If the same is not available, then the bidder should register with
concerned authorities before the commencement of contract.
viii. All tender documents signed with name & designation and stamped on each page.
ix. No Deviation Certificate. (As per Schedule-A )
B. UENVELOPE: II (PRICE BID)
a. Price Bid
C. IT SHOULD BE CLEARLY INDICATED ON THE ENVELOPE WHETHER IT IS
ENVELOPE - I OR ENVELOPE – II. THE CONTENT OF THE ENVELOPE/S
SHOULD ALSO BE CLEARLY SUPERSCRIBED ON EACH ENVELOPE WITH
THE NAME OF WORK, NAME OF BIDDER, BIDDERS ADDRESS & CONTACT
NUMBERS,BID REFERENCE, CONTENTS AND DATE OF OPENING ETC.
All the above two sealed envelopes
may be placed in another main envelope, the
top of the main envelope must
indicate, say >>>>>>>>>>>
ENVELOPE - I
(Techno - Commercial
Bid)
Shall be opened at 15:00 hours on the day set for
submission of Bids.
ENVELOPE - II
(PRICE BID)
The date of opening of Price Bids shall be intimated
separately.
After techno-commercial bid evaluation, only the bids meeting the Qualifying
Requirements and complying with the Technical Requirements shall be considered
for Price Bid Opening. The decision of NTECL in this regard shall be final.
ENVELOPE - I and ENVELOPE - II
ARE AVAILABLE INSIDE
NTECL/C&M/CS-3492 Dt: 09.01.2019
Page 9 of 10 Signature & Seal of Bidder
8. Earnest Money Deposit :-
A. The EMD offered shall, at bidders option, be in the form of (i) Demand Draft/Pay
Order/Bankers Cheque in favour of NTECL payable at Chennai or (ii) an unconditional and
irrevocable Bank Guarantee (BG) from any of the banks specified in the bidding documents. The
format of Bank Guarantee towards bid security shall be in accordance with the ‘Proforma for BG’
included in the bidding documents. While getting the Bank Guarantee issued, Bidders are
requested to ensure compliance to the points mentioned in Bank Guarantee Verification Check
List in the bidding documents. Bidders are required to fill up this check list and enclose the same
along with the bank guarantee. EMD for an amount less than or equal to Rs. 50,000.00 shall not be
accepted in the form of bank guarantee. EMD shall not be accepted in any other form.
B. The bid security shall remain valid for a period of Two Hundred Twenty Five (225) days from bid
opening date (i.e 180 days BG validity period + 45 days claim period)
C. ANY BID NOT ACCOMPANIED BY AN ACCEPTABLE BID
SECURITY IN A SEPARATE SEALED ENVELOPE SHALL BE
REJECTED BY THE EMPLOYER AS BEING NON RESPONSIVE
AND RETURNED TO THE BIDDER WITHOUT BEING OPENED.
D. EMD/Tender Fees Exemption for MSEs : Micro and Small Enterprises (MSEs) registered with
District Industries Centres or Khadi and Village Industries Commission or Khadi and Village
Industries Board or Coir Board or National Small Industries Corporation or Directorate of
Handicrafts and Handloom or any other body specified by Ministry of Micro, Small and Medium
Enterprises as per MSMED Act 2006, for goods produced and services rendered, shall be issued
the bidding documents free of cost and shall be exempted from paying Earnest Money
Deposit.
The benefit as above to MSEs shall be available only for goods / services produced &
provided by MSEs for which they are registered.
MSEs seeking exemption and benefits should enclose an attested / self certified copy of
valid registration certificate, giving details such as validity, stores/ services etc. failing
which they run the risk of their bid being passed over as ineligible for the benefits
applicable to MSEs.
9. THE PRICE BID/S OF ONLY THOSE BIDDERS SHALL BE OPENED WHO MEETS
BOTH THE QUALIFYING REQUIREMENTS AND TECHNICAL REQUIREMENTS.
10. The Bidder or duly authorized representative/s of the Bidder/s, who are present during Bid
opening shall sign in the Bid opening register. Only one authorized representative of the
bidder shall be allowed for attending the tender opening.
11. NTECL shall not be responsible for any postal delays resulting in non-receipt of request for
tender documents/ original tender documents, bids etc. sent by post / courier.
12. Notwithstanding anything stated above, NTECL reserves the right to assess bidder’s capability
and capacity to perform the contract, should the circumstances warrant such assessment in the
overall interest of NTECL and decision of NTECL in this regard shall be final.
NTECL/C&M/CS-3492 Dt: 09.01.2019
Page 10 of 10 Signature & Seal of Bidder
13. NTECL reserves the right to accept / reject any or all bids or Cancel / withdraw the Notice
Inviting Tender (NIT) without assigning any reason whatsoever and in such case no bidder /
intending bidder shall have any claim arising out of such action.
14. Tender documents are not transferable.
15. NTECL reserves the right to extend the date for submission & opening of bids at its Sole
discretion.
16. Any change in Bidder’s company name, address etc should be communicated separately to
NTECL with proof of change, reference etc well before the due date for submission of tender.
17. The laws applicable to the contract shall be the law in force in India. The courts of Chennai
alone shall have the exclusive jurisdiction in all matters arising under the contract.
U
Address for Communication:
The AGM (C&M)
Contracts & Materials Dept,
NTPC Tamilnadu Energy Company Ltd
Vallur Thermal Power Project
Vellivoyal Chavadi Post,
Ponneri Taluk, Thiruvallur District,
Chennai - 600 103.
Tel. No.044 - 65351052 Fax: 044 –
27966033 / 65
OR
The Sr. Manager (C&M)
Contracts & Materials Dept,
NTPC Tamilnadu Energy Company Ltd
Vallur Thermal Power Project
Vellivoyal Chavadi Post,
Ponneri Taluk, Thiruvallur District,
Chennai - 600 103.
Tel. No.044 - 65351017 Fax: 044 –
27966033 / 65
Ms. Sumitha Babu G, Sr.Manager (C&M)
Contracts & Materials Dept,
NTPC Tamilnadu Energy Company Ltd
Vallur Thermal Power Project
Vellivoyal Chavadi Post,
Ponneri Taluk, Thiruvallur District,
Chennai - 600 103.
Tel. No.044 - 65351017 Fax: 044 –
27966033/65